Home / 156,089.24-215,403.70-84,469.24

Finding the Fourth Proportional to 156,089.24, 215,403.70 and 84,469.24

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Solution

The fourth proportional to 156,089.24, 215,403.70 and 84,469.24 is: 116,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.24 : 215,403.70 = 84,469.24 : x
  2. Step 2: Convert to fraction form
    156,089.24/215,403.70 = 84,469.24/x
  3. Step 3: Cross multiply
    156,089.24x = 215,403.70 × 84,469.24
  4. Step 4: Simplify right side
    156,089.24x = 18,194,986,948.35
  5. Step 5: Solve for x
    x = 18,194,986,948.35/156,089.24
  6. Step 6: Final answer
    x = 116,567.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.